Firmament and Upper atmosphere

Firmament

Firmament noun - The expanse of air surrounding the earth.
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Synonyms for Firmament

Upper atmosphere and firmament are semantically related. In some cases you can use "Upper atmosphere" instead a noun "Firmament".

Upper atmosphere

Definitions of Firmament not found.

Firmament and upper atmosphere are semantically related. You can use "Firmament" instead a noun phrase "Upper atmosphere".
Cite this Source
Upper atmosphere and Firmament. (2016). Retrieved 2023, February 05, from https://thesaurus.plus/related/firmament/upper_atmosphere
Firmament & Upper atmosphere. N.p., 2016. Web. 05 Feb. 2023. <https://thesaurus.plus/related/firmament/upper_atmosphere>.
Upper atmosphere or Firmament. 2016. Accessed February 05, 2023. https://thesaurus.plus/related/firmament/upper_atmosphere.
Google Ngram Viewer shows how "firmament" and "upper atmosphere" have occurred on timeline